The Household as a Little Economy

How economists study families as small economies that pool income, produce goods and services at home, and make shared decisions.

When economists talk about “the economy”, they often mean markets, companies and governments. But one of the most important economic units is much closer to home: the household. A household earns income, spends it, saves, borrows, and produces a great deal of value that never appears in a shop.

Households produce things

Cooking a meal, cleaning a home, caring for a child or looking after an elderly parent are all forms of home production. The economist Gary Becker argued that households work a bit like small factories. They combine time and purchased goods to produce the things they actually care about: meals, clean clothes, healthy children, rest.

Because home production is unpaid, it is left out of GDP. Statistical agencies in several countries have estimated that if unpaid household work were valued at market wages, it would be worth a large share of GDP, often estimated at somewhere between a fifth and a half depending on the method.

Why people live together

Sharing a home brings economies of scale. Two people living together do not need two kitchens, two fridges or two internet connections. A meal for four takes not much more effort than a meal for one. This is one reason single-person households spend more per person on housing and utilities.

Households also pool risk and income. If one member loses a job or falls ill, others can help. In many countries without strong social safety nets, the extended family is the main form of insurance.

The cost of cooking for one

A single person might spend an hour cooking a meal that serves one. A family of four might spend an hour and a quarter cooking a meal that serves four. Per person, the family's meal takes less than a third of the time. This simple example shows why sharing a household saves time and money.

Specialisation and its risks

Becker also argued that household members may specialise, with one focusing on paid work and another on home production. This can raise the household’s total output. But economists now stress the risks: the person who specialises in unpaid work builds fewer job skills, earns less, and is financially vulnerable if the relationship ends.

Thinking unpaid work has no economic value

It is easy to assume that only paid work counts. But if no one cooked, cleaned or cared for children, families would have to buy those services, often at high cost. Unpaid household work is real economic production, even though GDP does not count it.

Key takeaways

Households earn, spend, save and produce value through unpaid home production.
Unpaid household work is left out of GDP but is estimated to be worth a large share of it.
Living together brings economies of scale and lets family members pool risk.
Specialisation can raise household output but leaves the unpaid partner financially vulnerable.